[polari] make sure to prepare TP_CHANNEL_FEATURE_CONTACTS

[Guillaume Desmottes <gdesmott src gnome org>]

commit ee26daade26b7f68b1c18e37f9f8d485563cb383
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Sat Oct 12 15:41:59 2013 -0400

    make sure to prepare TP_CHANNEL_FEATURE_CONTACTS
    
    Needed as we use tp_channel_group_get_self_contact().
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710011

 src/chatroomManager.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/chatroomManager.js b/src/chatroomManager.js
index 047d633..03c5e5a 100644
--- a/src/chatroomManager.js
+++ b/src/chatroomManager.js
@@ -27,6 +27,7 @@ const _ChatroomManager = new Lang.Class({
 
         let factory = this._accountManager.get_factory();
         factory.add_channel_features([Tp.Channel.get_feature_quark_group()]);
+        factory.add_channel_features([Tp.Channel.get_feature_quark_contacts()]);
         factory.add_contact_features([Tp.ContactFeature.ALIAS]);
 
         this._accountManager.prepare_async(null,